The Effects of Aromatherapy on Intensive Care Unit Patients’ Stress and Sleep Quality: A Nonrandomised Controlled Trial

Table 3

The effects of aromatherapy on blood pressure and heart rate.

		Exp.; ()	Cont.; ()	t or F	p
		M ± SD	M ± SD
SBP (mmHg)	Pretest 1; ()	134.60 ± 16.90	137.87 ± 20.81	0.667	.507	Time 13.53; (); Group 10.51; (); 9.09 ()
	Pretest 2; ()	125.70 ± 13.56	127.63 ± 20.58	0.430	.669
	Posttest 1; ()	116.37 ± 10.82	134.87 ± 17.53	4.917	<.001
	Posttest 2; ()	119.27 ± 13.66	128.77 ± 19.46	2.188	.033
	Posttest 3 ()	112.53 ± 9.47	133.53 ± 16.17	6.136	<.001
DBP (mmHg)	Pretest 1; ()	82.00 ± 21.23	75.67 ± 13.64	−1.38	.175	Time 7.35; (); Group .076; (); 2.47 ()
	Pretest 2; ()	71.80 ± 12.69	73.70 ± 13.02	0.57	.569
	Posttest 1; ()	71.17 ± 12.06	73.73 ± 12.70	0.80	.426
	Posttest 2; ()	69.77 ± 11.49	70.47 ± 11.06	0.24	.811
	Posttest 3 ()	67.60 ± 9.04	72.23 ± 13.51	1.56	.124
HR (beats/min)	Pretest 1; ()	92.20 ± 19.52	92.07 ± 20.95	−.025	.980	Time 20.32; (); Group 6.23; (); 5.71 ()
	Pretest 2; ()	82.63 ± 15.56	93.33 ± 23.26	2.094	.041
	Posttest 1; ()	74.93 ± 14.42	85.80 ± 21.19	2.321	.024
	Posttest 2; ()	72.20 ± 11.83	88.90 ± 22.44	3.605	<.001
	Posttest 3 ()	71.97 ± 11.84	84.73 ± 16.47	3.446	<.001

Exp. = experimental group; Cont. = control group; M ± SD: mean ± standard deviation; : admission day; : admission day before sleep; : experimental 1st day, 8 a.m.; : experimental 1st day, 8 p.m.; : experimental 2nd day, 8 a.m.